CUTTING TIP AND METHOD FOR CUTTING ROCK,申请号JP19900335979-传众专利搜索

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法人/股东/高管

发明名称	CUTTING TIP AND METHOD FOR CUTTING ROCK
摘要
申请公布号	JPH04202994(A)	申请公布日期	1992.07.23
申请号	JP19900335979	申请日期	1990.11.29
申请人	HONMA RYOJI	发明人	HONMA RYOJI
分类号	E21B10/48	主分类号	E21B10/48
代理机构		代理人
主权项
地址

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